This historical swimming pool near Miami is emptied and refilled each day with naturally filtered water.

The initials "GW" mark where one of Scotland's most important Protestant martyrs was burned at the stake.

A mysterious castle built as a monument to lost love.

A group of college students hauled a desk up a mountain more than 40 years ago. The notebooks inside have become a makeshift time capsule.

A beautiful footbridge with over 2,000 glass sculptures along the walls and ceiling.

Cross the Continental Divide through an old railroad tunnel, and ride back to the top on a shuttle.

This site is home to ancient petroglyphs and pictographs dating back to 6,000 B.C.

Where the famed daredevil attempted to launch himself across a canyon in a custom-built rocket.

An unprepossessing storage reservoir in southern Utah has a checkered past.

Home to a forest of whimsical pygmy Coast live oak.

This stately structure has been abandoned for half a century.

This medieval footbridge in the Swiss Alps is known to attract cliff-jumping daredevils.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

A walk through the historic city center, under the streets of Seattle.

A giant Troll lurks under one of Seattle's oldest bridges.

This 75-year-old Shakespearean sculpture is painted by a local artist for every season.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

Abandoned bridge hidden deep in the San Gabriel Mountains.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

High in the Rockies the third largest statue in the U.S. opens her welcoming arms, and lights up the night sky.

A graceful natural rock formation stands astride the point where the Gulf of California meets the Pacific Ocean.

Four hundred granite steps were built into this massive rock by the National Park Service.

A 315-foot spire jutting out from the Blue Ridge Mountains makes for breathtaking views.

Originally conceived as part of a proposed Arizona State Capitol building in the 1950s, this structure built in 2004 stands as a monument to the architect's legacy.